activity
20102018
most citedDirect Imaging of a Cold Jovian Exoplanet in Orbit around the Sun-like Star GJ 504

273 citations · 2k across the 43 of their papers we have counts for

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17 papers · 1 filter

astro-ph.SR2018★ 1 cited

Orbital characterization of GJ1108A system, and comparison of dynamical mass with model-derived mass for resolved binaries

T. Mizuki, M. Kuzuhara, K. Mede +55

We report an orbital characterization of GJ1108Aab that is a low-mass binary system in pre-main-sequence phase. Via the combination of astrometry using adaptive optics and radial v…

astro-ph.SR2018★ 8 cited

High-contrast Polarimetry Observation of T Tau Circumstellar Environment

Yi Yang, Satoshi Mayama, Saeko S. Hayashi +52

We conducted high-contrast polarimetry observations of T Tau in the H-band, using the HiCIAO instrument mounted on the Subaru Telescope, revealing structures as near as 0.$\arcsec$…

astro-ph.SR2017★ 9 cited

The Fundamental Stellar Parameters of FGK Stars in the SEEDS Survey

Evan A. Rich, John P. Wisniewski, Michael W. McElwain +59

Large exoplanet surveys have successfully detected thousands of exoplanets to-date. Utilizing these detections and non-detections to constrain our understanding of the formation an…

astro-ph.SR2016★ 15 cited

A Resolved Near-Infrared Image of The Inner Cavity in The GM Aur Transitional Disk

Daehyeon Oh, Jun Hashimoto, Joseph C. Carson +47

We present high-contrast H-band polarized intensity (PI) images of the transitional disk around the young solar-like star GM Aur. The near-infrared direct imaging of the disk was d…

astro-ph.SR2016★ 25 cited

SCExAO and GPI Band Photometry and Integral Field Spectroscopy of the Young Brown Dwarf Companion to HD 1160

Eugenio V. Garcia, Thayne Currie, Olivier Guyon +51

We present high signal-to-noise ratio, precise photometry and band (\gpiwave~m) spectroscopy of HD 1160 B, a young substellar companion discovered from the Gemini NICI…

astro-ph.SR2016★ 3 cited

Radial decoupling of small and large dust grains in the transitional disk RX J1615.3-3255

Robin Kooistra, Inga Kamp, Misato Fukagawa +56

We present H-band (1.6 μm) scattered light observations of the transitional disk RX J1615.3-3255, located in the ~1 Myr old Lupus association. From a polarized intensity image, tak…

astro-ph.SR2016★ 5 cited

SEEDS direct imaging of the RV-detected companion to V450 Andromedae, and characterization of the system

K. G. Hełminiak, M. Kuzuhara, K. Mede +49

We report the direct imaging detection of a low-mass companion to a young, moderately active star V450 And, that was previously identified with the radial velocity method. The comp…

astro-ph.SR2016★ 6 cited

Constraining the Movement of the Spiral Features and the Locations of Planetary Bodies within the AB Aur System

Jamie R. Lomax, John P. Wisniewski, Carol A. Grady +54

We present new analysis of multi-epoch, H-band, scattered light images of the AB Aur system. We used a Monte Carlo, radiative transfer code to simultaneously model the system's SED…

astro-ph.SR2016★ 31 cited

Extreme Asymmetry in the Disk of V1247 Ori

Yurina Ohta, Misato Fukagawa, Michael L. Sitko +60

We present the first near-infrared scattered-light detection of the transitional disk around V1247 Ori, which was obtained using high-resolution polarimetric differential imaging o…

astro-ph.SR2015★ 20 cited

Near-Infrared Polarimetry of the GG Tauri A Binary System

Yoichi Itoh, Yumiko Oasa, Tomoyuki Kudo +47

A high angular resolution near-infrared polarized-intensity image of the GG Tau A binary system was obtained with the Subaru Telescope. The image shows the circumbinary disk scatte…

astro-ph.SR2015★ 72 cited

Detailed structure of the outer disk around HD 169142 with polarized light in H-band

Munetake Momose, Ayaka Morita, Misato Fukagawa +59

Coronagraphic imagery of the circumstellar disk around HD 169142 in H-band polarized intensity (PI) with Subaru/HiCIAO is presented. The emission scattered by dust particles at the…

astro-ph.SR2015★ 26 cited

Near-IR High-Resolution Imaging Polarimetry of the SU Aur Disk: Clues for Tidal Tails?

Jerome de Leon, Michihiro Takami, Jennifer L. Karr +53

We present new high-resolution (0\farcs09) -band imaging observations of the circumstellar disk around the T Tauri star SU Aur. Our observations with Subaru-HiCIAO have re…

astro-ph.SR2014★ 86 cited

The Structure of Pre-transitional Protoplanetary Disks. II. Azimuthal Asymmetries, Different Radial Distributions of Large and Small Dust Grains in PDS~70

J. Hashimoto, T. Tsukagoshi, J. M. Brown +54

The formation scenario of a gapped disk, i.e., transitional disk, and its asymmetry is still under debate. Proposed scenarios such as disk-planet interaction, photoevaporation, gra…

astro-ph.SR2014★ 35 cited

Surface Geometry of Protoplanetary Disks Inferred From Near-Infrared Imaging Polarimetry

Michihiro Takami, Yasuhiro Hasegawa, Takayuki Muto +58

We present a new method of analysis for determining the surface geometry of five protoplanetary disks observed with near-infrared imaging polarimetry using Subaru-HiCIAO. Using as…

astro-ph.SR2014★ 33 cited

High-Resolution Submillimeter and Near-Infrared Studies of the Transition Disk around Sz 91

Takashi Tsukagoshi, Munetake Momose, Jun Hashimoto +55

To reveal the structures of a transition disk around a young stellar object in Lupus, Sz 91, we have performed aperture synthesis 345 GHz continuum and CO(3--2) observations with t…

astro-ph.SR2013★ 3 cited

Multi-Object and Long-Slit Spectroscopy of Very Low Mass Brown Dwarfs in Orion Nebular Cluster

Takuya Suenaga, Motohide Tamura, Masayuki Kuzuhara +3

We present the results of a H- and K-band multi-object and long-slit spectroscopic survey of substellar mass candidates in the outer regions of the Orion Nebula Cluster. The spectr…

astro-ph.SR2012★ 171 cited

Polarimetric Imaging of Large Cavity Structures in the Pre-transitional Protoplanetary Disk around PDS 70: Observations of the disk

Jun Hashimoto, Ruobing Dong, Tomoyuki Kudo +52

We present high resolution H-band polarized intensity (PI; FWHM = 0."1: 14 AU) and L'-band imaging data (FWHM = 0."11: 15 AU) of the circumstellar disk around the weak-lined T Taur…